<frameset rows="125,*" frameborder="0" > 
<frame name="top" src="a.html" noresize  > 
<frameset cols="188,*"> 
<frame name="lower_left" src="bb.html" noresize > 
<frame name="lower_right" src="c.html" noresize  > 
</frameset> 
</frameset> 